*{ margin:0; padding:0;}
.error_main{ width:813px; height:194px; background:url(../images/500_page.jpg) no-repeat center ; margin:100px auto;}
.btn{ width:134px; height:37px; background:url(../images/404_button2.png) no-repeat  center; border:none; position:relative; float:right; top:145px; right:290px;}
